| Mud crab exoskeletal remains were abundant in the scat of river otter of the upper Parker River estuary. |
| The coastal region of the Humber estuary is low-lying and gradually eroding inland. |
| The lough is an estuary, thus salty, so keeping the head out of the water is more of an issue than when at the pool. |
| It is located on the right bank of the estuary of the Seine River, 90 km downstream from Rouen and 220 km from Paris. |
| They have issued a five-point plan for managing rivers from source to estuary in an integrated and sustainable way. |
| This will also push water hyacinth into the estuary, eradicating it in the process. |
